package org.apache.maven.toolchain.java;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.io.File;

import org.apache.maven.toolchain.DefaultToolchain;
import org.apache.maven.toolchain.model.ToolchainModel;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.logging.Logger;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.Os;

/**
 * @author Milos Kleint
 */
@Component(role = JavaToolChain.class)
public class DefaultJavaToolChain extends DefaultToolchain implements JavaToolChain {
  private String javaHome;

  public static final String KEY_JAVAHOME = "jdkHome"; // NOI18N

  public DefaultJavaToolChain(ToolchainModel model, Logger logger) {
    super(model, "jdk", logger);
  }

  public String getJavaHome() {
    return javaHome;
  }

  public void setJavaHome(String javaHome) {
    this.javaHome = javaHome;
  }

  public String toString() {
    return "JDK[" + getJavaHome() + "]";
  }

  public String findTool(String toolName) {
    File toRet = findTool(toolName, new File(FileUtils.normalize(getJavaHome())));
    if (toRet != null) {
      return toRet.getAbsolutePath();
    }
    return null;
  }

  private static File findTool(String toolName, File installFolder) {
    File bin = new File(installFolder, "bin"); // NOI18N
    if (bin.exists()) {
      File tool = new File(bin, toolName + (Os.isFamily("windows") ? ".exe" : "")); // NOI18N
      if (tool.exists()) {
        return tool;
      }
    }
    return null;
  }
}